JP3528609B2 - Clamping device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended to hold paper of a predetermined size, such as slips and memos, paper, or various strips of metal, wood, plastic, etc. having a predetermined thickness. The pinching device that can be used.

[0002]

2. Description of the Related Art "One-touch paper sandwiching" as disclosed in Japanese Patent Application Laid-Open No. 3-254998 is known as a clip and a paper sandwiching device for temporarily holding papers such as memos, documents, catalogs and the like. ing.

That is, as shown in FIG. 11, the one-touch paper clip 60 includes a front frame plate 61, a rear frame plate 62, and a beard plate provided between the front frame plate 61 and the rear frame plate 62. The front frame plate 61 and the rear frame plate are composed of a body storage space 63 and a rubber beard plate body 64 integrally provided with a beard and a beard plate provided in the beard plate body storage space 63. 62 is integrated by a joining projection provided on the front frame plate 61 and a joining groove provided on the back frame plate 62, and the paper sheet 65 to be held is inserted into the beard plate body 64 as indicated by an arrow. Holding.

FIG. 12 shows the beard plate body 64, which is composed of a pair of plate bodies 71 and 72.
1, a plurality of whiskers 73 having an upward projection angle of 35 degrees from the horizontal direction are arranged, and the plate body 72 is also provided with a plurality of whiskers 74 having similar projection angles.

As shown in FIG. 13, the mustaches 73, 74
Project obliquely upward, and their front end surfaces are in full contact with each other and are parallel to the bottom surfaces of the plate bodies 71 and 72. As shown in FIG. By the frictional force with the paper 65, the paper 6
Holds 5. Further, the paper 65 is pulled out by pulling it downward or laterally.

However, in the above-mentioned one-touch paper sandwiching, the plate body 71, the beard 73, and the plate body 72.
And the beard 74 are integrally formed,
The mustaches 73 and 74 must be formed such that their tip surfaces are in full contact with each other, and the structure is complicated and the manufacture is difficult.

[0007]

The object of the present invention is to provide paper,
Another object of the present invention is to provide a clamping device having a novel clamping mechanism capable of clamping various plate-shaped members such as metal, wood, plastic, etc. or sheet-shaped members.

Another object of the present invention is to provide a holding device having a simple structure which can hold various plate members or sheet-like members such as paper, metal, wood, plastic and the like.

Another object of the present invention is one sheet or one to three sheets.
An object of the present invention is to provide a paper clip capable of clipping a paper such as a voucher.

[0010]

In the present invention, a main body having a bottom portion and an insertion portion for inserting a paper or sheet-like member, and provided in the main body, the length of the bottom portion and the surface thereof is set to a predetermined value. The rotating member includes a rotating member that changes as it moves, an origin returning member provided on the rotating member, and a stopper that holds the rotating member at a predetermined position, for example, the original position. Due to the rotation, the length between the bottom portion and the surface of the rotation member is reduced or increased, and the paper or sheet-like member is clamped.

[0011]

DETAILED DESCRIPTION OF THE INVENTION The basic idea of the present invention is shown in FIG.
As shown in (a), the origin position is a rotation member 2 having an eccentric shaft 1 having a circular cross-sectional shape and in which the length or distance x ₀ between the eccentric shaft 1 and the surface 3 is the maximum. Then,
When the rotating member 2 is rotated clockwise, for example, as shown by an arrow in the drawing, the length x of the eccentric shaft 1 and the surface 3 is x.
_{When 0} gradually decreases to x ₁ , a gap of length x ₂ is formed between the surface 3 and the surface 3, as shown in FIG.

When the rotating member 2 is rotated counterclockwise from the above state, the lengths of the eccentric shaft 1 and the surface 3 increase from x ₁ to x ₀ . Therefore, when various plates or sheet-like members such as paper, metal, wood, plastic, etc. are inserted between the rotating member 2 and the surface 3, the rotating member 2 rotates when it is inserted. As a result, the above-mentioned gap is formed, so that the gap can be easily inserted. On the contrary, when pulling out, the gap is gradually reduced, and therefore the pressing force from the rotating member is easily applied to the paper or sheet member. Cannot be pulled out to.

After all, in the present invention, the paper or sheet-like member is sandwiched by utilizing the fact that the lengths of the shaft and the surface change as it rotates, so that the shape of the rotating member is as shown in FIG. As shown in FIG. 1 (c), the cross-sectional shape may be elliptical 4 and the shaft 5 may be provided around the center, or the shaft may be eccentric to form the eccentric shaft 6. Furthermore, the cross section can be formed into a normal cam shape.

Further, in FIG. 1A, a rotating member 2 having an eccentric shaft 1 having a circular cross section is used.
As shown in (d), an elastic body made of rubber, elastomer, or the like, for example, soft rubber is integrally formed, and the fixing portion 7 of the circular portion 9 having the fixing portion 7 and the shaft portion 8 is fixed vertically. That is, the origin or origin is a state where a center line passing through the centers of the shaft portion 8 and the circular portion 9 is perpendicular to the surface 3, and the length or distance of the shaft portion 8 and the circular portion 9 with respect to the surface 3 is set. Be x ₀ . Similarly to the above, when the shaft portion 8 and the circular portion 9 are rotated in the clockwise direction as shown by the arrow in the figure, the length x ₀ is gradually reduced to x ₁ , and the length of the surface 3 A gap of length x ₂ is formed therebetween. When it is rotated counterclockwise, the length increases from x ₁ to x ₀ , and a sheet such as a voucher can be held, as in FIGS. 1A to 1C.

[0015]

FIG. 2 shows a sandwiching device 10 according to an embodiment of the present invention, in which a frame 11 is rotatably supported by an eccentric shaft 12 and a paper is formed between the frame 11 and a bottom surface 13 of the frame 11. Alternatively, a plate or sheet member 1 made of metal, wood, plastic, etc.
A circular roller 15 for holding 4 is arranged, and an origin returning member 16 such as a bellows-shaped member or a spring is connected between the roller 15 and the frame 11. in this case,
The roller 15 is set to rotate within a range of about 90 degrees.

Further, as shown in the figure, at the origin position of the roller 15, the roller 15 rotates counterclockwise to prevent the sheet-shaped member 14 from being pulled out. Has been. Further, if the stopper 17 is not provided, the roller 15 may not return to the origin position, which causes a problem that the next sheet-shaped member cannot be clipped.

As shown in FIG. 3, when the sheet-shaped member 14 is fed between the roller 15 and the bottom surface 13 of the frame body 11, the roller 15 rotates about the eccentric shaft 12. The length or distance between the eccentric shaft 12 and the surface of the roller 15 facing the eccentric shaft 12, that is, substantially the distance between the eccentric shaft 12 and the bottom surface 13 is the maximum length at the origin position shown. x ₀ , and the length gradually decreases as the eccentric shaft 12 rotates, and the length becomes x ₁ smaller than the length x _0, and a gap is formed between the eccentric shaft 12 and the bottom surface 13 to form the sheet-like member. 14 is sandwiched.

However, as shown in FIG. 4, when the sheet member 14 is pulled out, the eccentric shaft 12 is pulled out.
The length between the eccentric shaft 12 and the bottom surface 13 increases in reverse from x ₁ to x ₀ with the rotation of the sheet-shaped member 1.
The roller 4 is pressed by the roller 15 and cannot be pulled out in the direction opposite to the insertion direction. Also, the roller 1
Since the rotation of 5 is stopped at the position of the stopper 17, the sheet member 14 cannot be pulled out further. When pulling out, the sheet-shaped member 14 may be moved in a direction substantially perpendicular to the paper surface.

Further, in FIG. 2, the stopper 17 is arranged so as to come to the origin position of the roller 15, but the roller 15 rotates clockwise by a predetermined angle and the eccentric shaft 12 and the bottom surface are rotated. Positioning the stopper 17 at a position where a gap is formed between the sheet-shaped member 14 and the sheet-shaped member 14 can adjust the ease of removal of the sheet-shaped member 14.

FIG. 5 is a perspective view of the roller 15. In order to adjust the pressing force or the frictional force with the sheet-like member 14, the eccentricity is provided on the axis of the origin position corresponding to the eccentric axis 12. A hole 18 penetrating in parallel with the shaft 12 may be provided, and / or a plurality of grooves 19 may be formed on the pressing surface of the roller 15 in the rotation range.

FIG. 6 shows that the roller 15 and the bellows-shaped member 20 as the origin returning member 16 are integrally molded, and the bellows-shaped member 20 is a bellows-shaped portion 21.
And projecting portions 22 and 23 that are provided so as to project in the vertical direction at the end portions and that are coupled to the projecting portions formed on the frame body. Further, as described above, as the origin returning member 16, one or a plurality of springs may be coupled to the roller 15 instead of the bellows-shaped member 20, and a weight may be directly provided on the roller 15. Good.

The material of the roller 15 can be appropriately selected in consideration of the material, weight, frictional force, etc. of the paper or sheet-like member to be nipped, the ease of roller molding, the cost, etc. Metal, rubber material, plastic material,
An elastomer or the like is used. Further, as the material of the frame body 11, a plastic material, a metal or the like is used.

FIG. 7 is a perspective view of the paper clip 30 shown in FIG. 5 and using the roller 15 formed of a rubber material, and FIGS. 8A and 8B are side views and AA and AA. A BB sectional view is shown, which comprises a bottom member 32 for accommodating the roller 15 and forming a paper insertion portion 31, and an upper member 33,
A frame body made of a plastic material and the upper member 33.
And a front plate (cover) 35 having a protrusion 34 formed on the end of the bellows-shaped member 20 and coupled to the protrusion 22.

As shown in FIG. 8B, the upper member 33 is
Is provided with an intermediate member 37 having a projection 36 formed at an end of the bellows-shaped member 20 and coupled to the projection 23, and the roller 15 is provided in a through hole 38 formed in the intermediate member 37. It is arranged. In this case, the portion 33-1 of the upper member 33 adjacent to the roller 15 serves as the stopper.

As described above, when one or more sheets of paper 39 are fed into the roller 15 and the insertion portion 31 of the frame body, the roller 15 rotates about the eccentric shaft 12. The length between the eccentric shaft 12 and the bottom member 32 is the maximum length at the origin position shown,
As the eccentric shaft 12 rotates, it gradually decreases, and the length becomes smaller than the maximum length. Therefore, a gap is formed between the bottom surface of the roller 15 and the bottom member 32 to sandwich the paper 39.

When the paper 39 is to be pulled out, the eccentric shaft 12 and the bottom member 3 are rotated as the eccentric shaft 12 is rotated.
2, the length between the two and the paper 39 is increased, the paper 39 is pressed by the roller 15 and cannot be pulled out in the direction opposite to the insertion direction, and further, the stopper 33-1 makes the roller 15 Since the rotation of the paper stops at the position of the stopper, the paper 39 cannot be pulled out and is held by the frame body. When pulling out, the paper 39 may be moved in a direction substantially perpendicular to the paper surface.

Further, the paper clip 30 can be attached to a desired place by providing a magnet, a suction cup, an adhesive or the like on the outer surface portion of the bottom member 32.

FIG. 9 is a perspective view of a paper clip 40 suitable for clipping one or about one to three sheets of paper such as a slip using the concept shown in FIG. 1 (d).
The frame 41 and the cover 42 are made of a plastic material, respectively.

As is clear from FIGS. 10 (a) to 10 (c) showing the CC cross section of FIG. 9, the frame body 41 prevents the paper introducing portion 43 having the inclined surface and the easy paper withdrawal. Therefore, the receiving member 4 having the inclined portion 44 and formed of soft rubber, elastomer, metal, or the like, for example, made of soft rubber
It has a recess 46 for accommodating 5 and a penetrating portion 47 for locking the cover 42.

On the other hand, the cover 42 is formed of a paper introducing portion 48 having an inclined surface and a soft rubber, a plastic material, a metal, etc., for example, a fixing portion 49 and a shaft portion which are integrally formed of soft rubber. A roller 51 having a circular cross section having 50, and a recess 53 for accommodating a stopper 52 for holding the roller 51 at the origin position (state shown),
The leg portion 54 is connected to the through hole 47 of the frame body 41. As shown in FIG. 10A, the roller 51 is adhered to the bottom surface of the recess 53 via the fixing portion 49, and the roller 51 contacts the receiving member 45 of the frame 41. Is set to.

As shown in FIG. 10B, when one sheet of paper 55 is inserted through the paper introducing port formed of the paper introducing portions 43 and 48 as shown by the arrow, the receiving force of the paper 55 causes the receiving member 45. The roller 51 rotates so as to go down the inclined portion 44, the shaft of the roller 51 having the shaft portion 50 is displaced, and the paper 55 is inserted. At this time, the paper 55 is held between the roller 51 and the receiving member 45 by the force of the roller 51 returning to the origin of the shaft portion 50.

As shown in FIG. 10C, the paper 55
When pulling out the paper, the roller 51 stops rotating at the position of the stopper 52 due to the force, and the inclined portion 44 of the receiving member 45 presses the paper 55 between the roller 51 and the receiving member 45. It becomes difficult to pull out.

Further, similarly to the above, by providing a magnet, a suction cup, an adhesive or the like on the bottom of the frame 41, the paper clip 40 can be attached at a desired place.

[0034]

In the pinching device according to the present invention, the main body having the bottom portion and the insertion portion for inserting the paper or sheet-like member, and the length provided between the bottom portion and the surface thereof are provided in the main body. The rotating member, the origin returning member provided on the rotating member, and the stopper for holding the rotating member at the origin position. The bottom portion is formed by rotating the rotating member. The length between the rotating member and the surface of the rotating member is reduced or increased so that the paper or sheet-shaped member is clamped. Therefore, a simple clamping mechanism can be used for paper or various plate-shaped members such as metal, wood and plastic. Can be firmly clamped or clipped.

[Brief description of drawings]

FIG. 1 is a sectional view of a sandwiching mechanism showing the basic idea of the present invention.

FIG. 2 is a sectional view showing a clamping device according to an embodiment of the present invention.

FIG. 3 is a cross-sectional view showing a holding device according to an embodiment of the present invention.

FIG. 4 is a sectional view showing a clamping device according to an embodiment of the present invention.

FIG. 5 is a perspective view showing a roller according to an exemplary embodiment of the present invention.

FIG. 6 is a perspective view showing a bellows-shaped member according to an embodiment of the present invention.

FIG. 7 is a perspective view showing a paper clip according to an embodiment of the present invention.

FIG. 8 is a side view and a sectional view showing a paper clip according to an embodiment of the present invention.

FIG. 9 is a perspective view showing a paper clip according to an embodiment of the present invention.

FIG. 10 is a sectional view showing a paper clip according to an embodiment of the present invention.

FIG. 11 is a perspective view showing a conventional one-touch paper clip.

FIG. 12 is a side view showing a beard plate body in a conventional one-touch paper sandwich.

FIG. 13 is a perspective view showing a beard plate body in a conventional one-touch paper sandwich.

[Explanation of symbols]

1 ... Shaft, 2 ... Rotating member, 3 ... Surface, 4 ... Elliptical shape, 5 ...
Shaft, 6 ... Eccentric shaft, 7 ... Fixed part, 8 ... Shaft part, 9 ... Circular part,
10 ... Clamping device, 11 ... Frame, 12 ... Eccentric shaft, 13 ... Bottom, 14 ... Plate or sheet-like member, 15 ... Roller, 1
6 ... Origin return member, 17 ... Stopper , 18 ... Hole ,
19 ... Groove , 20 ... Bellows-shaped member, 21 ... Bellows-shaped part, 22, 23 ... Projection part, 30 ... Paper clip, 31 ... Paper insertion part, 32 ... Bottom member, 33 ... Top member, 33-1 ... Stopper , 34 ... Projection part, 35 ... Front plate, 36 ... Projection part, 37 ... Intermediate member, 38 ... Through hole, 39 ... Paper, 40 ...
Paper clip, 41 ... Frame, 42 ... Cover, 43 ... Paper introduction section, 44 ... Inclined section, 45 ... Rubber member, 46 ... Recessed section, 47
... through-hole, 48 ... paper introducing section, 49 ... fixing section, 50 ... shaft section, 51 ... roller, 52 ... stopper, 53 ... concave section, 5
4 ... Legs, 55 ... Paper

Claims (8)

(57) [Claims] 1. A frame body having a bottom portion and an insertion portion for inserting a paper or sheet-like member, and a rotatably rotatably supported in the frame body by an eccentric shaft, and a length of the eccentric shaft and its outer periphery. A roller that holds the paper or sheet-like member between itself and the bottom changes as the length or distance rotates when the origin position is the position in contact with the bottom at the point where the maximum length or distance is reached. And an origin returning member that is coupled between the roller and the frame body and that returns the roller to the origin, and that holds the roller at the origin position and presses the paper or sheet-like member against the bottom portion. And a stopper provided in the frame body. 2. A frame body comprising an upper member having a bottom member and an intermediate member positioned on the bottom member, the frame body forming an insertion portion of a paper or sheet-like member by the bottom member and the upper member, A sandwiching device including a front plate covering an upper member, which is arranged in contact with the bottom member in a through hole formed in the upper member, and rotatably supported by the upper member by an eccentric shaft. A rotation member that changes as the length or distance rotates when the position in contact with the bottom member at the point where the length or distance between the eccentric shaft and the outer periphery thereof is maximized is the origin position; located on the intermediate member, the intermediate member for homing member coupled is formed in the rotating member integrally with the protruding portion of, be composed of a stopper for holding the rotating member to the original position A pinching device. 3. The origin returning member is a bellows-shaped member,
The clamping device according to claim 1 or 2, comprising a spring. 4. The sandwiching device according to claim 2, wherein the front plate has a projecting portion and is coupled to the projecting portion of the intermediate member. 5. The sandwiching device according to claim 2, wherein the upper member adjacent to the rotating member serves as a stopper so that the rotating member stops rotating at the origin position. 6. The clamping device according to claim 1, wherein a plurality of grooves are formed on a pressing surface of the roller in a rotation range of the roller. 7. A paper clip comprising a frame body and a cover having paper introducing portions which are combined with each other to form a paper introducing opening, and a leg portion of the cover is connected to a through hole of the frame body. A receiving member that is housed in the recess of the frame body and has an inclined portion; a rotating member that is fixed to the recess of the cover and that has an integrally formed fixed portion made of an elastic body, a shaft portion, and a roller portion; The paper introducing portion is provided in the recess of the cover
A paper clip, characterized in that it comprises a stopper that is fixed adjacent to and that stops the rotation of the rotating member. 8. The paper clip according to claim 7, wherein the rotating member is rotated so that the paper inserted from the paper introducing portion is lowered from the inclined portion of the receiving member.